776 to 800 of 1,040 Software Engineer Jobs in London

Software Engineer, Amazon Ads — 3PAS & Creative-X

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Amazon Ads, Creative-X in London is seeking a Software Development Engineer to own end-to-end features for third-party ad serving and creative validation. You will contribute to templates for display and video, ensuring compatibility with VAST, IAB, and major ad servers, while optimizing for performance ...

Senior Software Engineer

Hiring Organisation
Reelables
Location
London Area, United Kingdom
Full Stack Engineer London N1 – Full Time – Hybrid – Salary Dependent on Experience Ready to revolutionize global logistics? Join Reelables and help us transform how the world tracks packages. We’re pioneering paper-thin smart shipping labels using Bluetooth and 5G to track millions of packages globally … building the software platform that makes that data usable at scale. This isn’t a narrow product or UI-only role. You’ll work across the full stack, building customer-facing features end-to-end — from intuitive interfaces through to the APIs, data models, and services that power them. ...

AI Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Primary Purpose of Role You will combine deep software engineering experience, excellent judgment and a demonstrable interest in AI to help shape the way we build our next generation of products. Initially working in a small, focused team, you will help lead and progress the development of our foundational … industry advancements and leveraging proven practices to turn designs into secure, high-quality production-ready code. Experience 10+ years or equivalent experience in software development. Proven experience in either NodeJS (TypeScript) or Python At least 2+ years experience with React or a similar frontend framework. Hands-on experience shipping ...

Lead Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
powered and data‐driven businesses . We work with enterprise organisations on a global stage, reinventing how they design, build, and operate AI powered software at scale with speed. Our Purpose: We're on a mission to reinvent what's possible with AI in enterprise environments . Our Software … absolute cutting edge of what's possible with today's most advanced AI technologies. Key Responsibilities Lead the design, development, and delivery of complex software systems and AI‐powered applications. Work across the full stack — frontend (React, TypeScript) and backend (Python, Java) — to build performant, maintainable solutions. Mentor ...

Senior Software Engineer, C++

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical … role in our event‐driven trading systems, which are designed to reliably handle vast amounts of data at ultra‐low latencies. As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely ...

Senior Software Engineer, C++

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical … role in our event-driven trading systems, which are designed to reliably handle vast amounts of data at ultra-low latencies. As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely ...

Sr Lead Software Engineer CFS CEA UK

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
development, Pair Programming, Test Driven Development, and Specification by Example, and we actively build engineering culture wherever we engage. The team invests in every engineer through dedicated learning time and a collaborative environment where knowledge-sharing is expected in both directions. Job Responsibilities Design and implement platform services … infrastructure across public cloud environments, with a focus on architecture, integration patterns, and system reliability. Own the full Software Development Lifecycle, including automating CI/CD pipelines and local development environments (not just operating within them). Write, review, debug, and maintain secure, high-quality production code; hold team ...

Sr Lead Software Engineer CFS CEA UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
development, Pair Programming, Test Driven Development, and Specification by Example, and we actively build engineering culture wherever we engage. The team invests in every engineer through dedicated learning time and a collaborative environment where knowledge-sharing is expected in both directions. Job Responsibilities Design and implement platform services … infrastructure across public cloud environments, with a focus on architecture, integration patterns, and system reliability. Own the full Software Development Lifecycle, including automating CI/CD pipelines and local development environments (not just operating within them). Write, review, debug, and maintain secure, high-quality production code; hold team ...

Senior Lead Software Engineer - Platform / Network Engineer - Accelerator Team

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
realize your potential. Our team is key to our success. We’re people‐first. We value collaboration, curiosity and commitment. As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands … drive outcomes‐oriented probing of architectural designs, technical credentials and applicability for use within existing systems and information architecture. Lead communities of practice across Software Engineering to drive awareness and use of new and leading‐edge technologies. Lead agile ceremonies. Add to team culture of diversity, equity, inclusion ...

Senior Software Engineer in London - Collinson

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Qualifications Proven experience as a Senior Engineer or multiple years in software engineering roles. Skills Full-Stack Fluency: Deep understanding of JavaScript/TypeScript, Node.js, React, GraphQL, and AWS (EKS, Lambda, RDS). API & Data Mastery: Skilled in building resilient APIs (REST/GraphQL) and managing backend. Responsibilities ...

Software Engineer

Hiring Organisation
Avanti Recruitment
Location
Dowgate, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
company that has invested heavily in building its own in-house technology platform to support the full lending lifecycle. They are looking for a Software Developer with around 1 to 3 years of commercial experience to join their growing engineering team. This is an excellent opportunity for someone … enjoys working across the full software development lifecycle and wants to broaden their experience across backend development, frontend technologies, cloud infrastructure and modern web applications. You will join a small engineering team where you will have genuine ownership from day one, working directly with experienced developers to build ...

AI Software Engineer London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
building a more liquid world. The more we share, the more we all gain. About the role We are looking for an experienced AI Engineer to join our R&D team. You will be delivering scalable web applications from idea to production, taking care of all aspects of software … production-critical environment. Translate business needs into concrete system architecture and implement it end-to-end across the stack Requirements 6+ years of software development experience Proven LLM experience: write, optimize, and measure the effectiveness of AI prompts and applications. Rapidly experiment with models, prompts, and architectures using structured ...

Software Development Engineer, Amazon Ads CreativeX

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
DESCRIPTION Amazon Ads is seeking a full-stack Software Development Engineer to join the Reach Extension team in Edinburgh, Scotland. The team builds innovative advertising products that help advertisers reach and engage millions of Amazon customers across every stage of their journey. We’re looking for engineers with … deliver, improve our testing practices, revise our architecture as needs change or better ways are found. BASIC QUALIFICATIONS Experience (non-internship) in professional software development Experience in professional, non-internship software development Experience programming with at least one modern language such as Java, C++, or C# including object ...

Data Scientist / Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
years, guiding how we shape a better world. Our Transport Modelling and City Modelling Lab teams bring together transport modellers, data scientists, software engineers and multidisciplinary specialists to solve complex urban challenges. We use data, modelling, visualisation and modern software engineering practices to help clients understand how people … future transport systems can be planned more effectively. The Opportunity We have opportunities for an experienced and ambitious Data Scientist with strong software engineering skills to join our collaborative and creative Transport Modelling and City Modelling Lab team in London. We're looking for an experienced Data Scientist with ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Responsibilities Design, build and maintain scalable, secure and high-performing software solutions. Collaborate with product, delivery and engineering teams to translate business requirements into technical solutions. Contribute to architectural decisions and the ongoing evolution of our technology platforms. Develop clean, well-tested and maintainable code aligned with engineering standards … support APIs, microservices and event-driven architectures. Ensure solutions are resilient, secure and aligned with organisational standards and controls. Requirements Strong experience developing software using C#/.NET and object-oriented design principles. Experience designing and building distributed systems, APIs and scalable applications. Knowledge of microservices, event-driven architectures ...

Senior Fullstack Software Engineer (Python/TypeScript)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Full Stack Engineer (Frontend-Leaning) | Scale-Up AI Platform Salary: Up to £120,000 per annum + equity Location: Hybrid - 1 day a week onsite in London Tech Stack: Vue 3/React, TypeScript, Python, PostgreSQL, Azure We're partnering with a high-growth AI adoption and skills … they are embarking on an exciting new phase of expansion into the US. They are looking for a skilled Frontend-Leaning Senior Full Stack Engineer to join their elite 9-person engineering team, taking point on user experience, UI architecture, and high-impact feature delivery. Why this role ...

Software Engineer (DV Cleared)

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum Bonus & package
week in any of the following: London, Manchester, Ipswich or Cheltenham**** A leading organisation delivering secure, mission-critical technology solutions is seeking a Software Engineering Specialist to join its specialist engineering team. This is a fully onsite role supporting high-profile government and national security programmes, offering the opportunity … work on complex software solutions that make a real impact. You'll develop and maintain bespoke software, collaborate closely with customers to solve technical challenges, and contribute to the delivery of high-quality engineering projects. You'll also mentor colleagues and work across a range of modern technologies ...

Sr. Full-Stack Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
business travelers, no matter how they travel, where they stay, or where they're going. We are looking for a Sr. Full-Stack Engineer to lead the design and development of mission‐critical product features and services that power our platform, used daily by thousands of travelers worldwide. … execute a multi‐year technical roadmap, ensuring that platform investments support company growth at scale. What We're Looking For 5+ years of software development experience, with deep expertise in both backend and frontend systems. Strong programming skills and CS fundamentals, with mastery in at least one backend language ...

Senior Software Engineer, Identity London, UK Apply →

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Responsibilities Help support the design and development of core software systems specifically focused on identity, access management, authorization, and authentication. Drive the design and implementation of our identity infrastructure to ensure secure authentication and authorization across enterprise systems. Build software for authentication mechanisms such as Single Sign … Multi-Factor Authentication (MFA), and federated identity solutions (SAML, OAuth, OpenID Connect). Build software for authorization mechanisms such as Relation-based access control (ReBAC), Attribute-based access control (ABAC), Role-based access control (RBAC). Build software‐defined identity governance policies to ensure compliance with security policies ...

Senior Software Engineer

Hiring Organisation
Akkodis
Location
City Of London, England, United Kingdom
data models and database schemas related to Rates tradi ng.Collaborate with front-end developers, business analysts, and other stakeholders to deliver high-quality financial software solutio ns.Ensure the performance, quality, and responsiveness of applicatio ns.Integrate third-party APIs and financial data fee ds.Implement and enforce security best practices ...

Lead Software Engineer EQ -GCT-MANAGEMENT UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
DESCRIPTION Job Responsibilities Designs, develops, and troubleshoots creative software solutions, thinking beyond conventional approaches to solve complex technical problems Leads the adoption and integration of cutting-edge technologies including Java, Spring, Springboot, React, and Kafka Develops secure, high-quality production code, and reviews and debugs code written by others … advanced analytics to deliver real-time trade processing applications Identifies opportunities to eliminate or automate recurring issues to improve overall operational stability of software applications and systems Designs and implements data pipelines, analytics workflows, and reporting solutions using Python, Databricks, and Spark Develops and maintains web-based applications ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
junior developers; contribute to a collaborative team culture. Potential requirement for securities licenses if client‐facing responsibilities arise. Qualifications At least 3years of proven software development experience in relevant industry. Proficiency in C#, JavaScript (React and/or Angular), Typescript, relational/NoSQL databases, and cloud technologies (preferably ...

Senior Software Engineer, New Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business … build, and ship next‐generation Fintech AI Innovations and 0‐to‐1 product lines. We don't build in isolation, nor do we over‐engineer for theoretical problems. Our mandate is high‐velocity validation: we take raw, ambitious, and ambiguous concepts from the executive suite, build ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
that values clarity, creativity, and shared ownership as we redefine how global commerce works. About the role We are looking for a Full Stack Engineer to join our ever growing engineering team. You will be joining us in an exciting phase of hyper growth where you will help shape … build our products from the ground up. The ideal candidate would be someone who has a genuine passion for designing and implementing elegant software solutions. You will also be intimately familiar and up to date with the development ecosystem for making solid decisions when it comes to choosing ...

Senior Software Engineer - Risk & FX

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Description Currencycloud was acquired by the company in December 2021. Senior Software Engineers are responsible for implementing an industry‐leading API that has processed over 50 billion USD of cross‐border transactions for more than 5 million end users, and remains available to clients 24/7. … Agile environment following the Spotify-style Squads and Tribes model. Experience delivering production‐ready code with high quality and reliability. Qualifications 5+ years of software development experience. 2+ years of building microservices with Java. Proficient in additional programming languages, such as Ruby or Scala. Working knowledge of relational databases ...